The fuel supply line for the high pressure fuel pump may become porous and leak fuel.
Fuel leaking in the presence of an ignition source increases the risk of fire.
What to do
Audi has notified owners, and dealers will install a fuel pressure damper free of charge.
The recall began February 21, 2019.
Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 20BM.